Unit Plan
Khan Academy

Khan Academy: Add Decimals 2

For Students 4th - 6th Standards
Add whole numbers and tenths like 4 + 5.7. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
Khan Academy

Khan Academy: Add Decimals 1

For Students 4th - 6th Standards
Add tenths like 0.7 + 0.5. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
Khan Academy

Khan Academy: Add Decimals 3

For Students 4th - 6th Standards
Add larger numbers with tenths like 40.1+7.6 Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unknown Type
Khan Academy

Khan Academy: Add Decimals 5

For Students 4th - 6th Standards
Add whole numbers, tenths, and hundredths like 60+2.57 or 5.53+3.1 Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unknown Type
Khan Academy

Khan Academy: Add Decimals 4

For Students 4th - 6th Standards
Add hundredths like 0.76+0.21 Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unknown Type
Khan Academy

Khan Academy: Add Decimals 6

For Students 4th - 6th Standards
Add more challenging whole numbers, tenths, and hundredths like 5.7+4.51 or 47.75+11.98. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Interactive
Doina Popovici

Math Play: Decimals Jeopardy Game

For Students 5th
This Jeopardy game challenges students to add, subtract, and multiply decimals. Play with up to 10 teams.
Unit Plan
E-learning for Kids

E Learning for Kids: Math: Soccer Stadium: Pattern and Function

For Students 5th - 6th Standards
Carlos wants to learn about calculating with decimals before his soccer practice starts. See if you can help!
Unit Plan
Lawrence Hall of Science

The Math Page: Skill in Arithmetic: Add Whole Numbers, Add Decimals

For Students 3rd - 8th Standards
This website explains and defines adding whole numbers and decimals. Content explores addition with regrouping and how to align numbers in a written calculation. There are even practice problems at the end of the lesson.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Subtracting Decimals Word Problems

For Students 4th - 5th Standards
[Free Registration/Login may be required to access all resource tools.] In this learning module, students must solve word problems involving the subtraction of decimals. Includes video demonstrating a sample problem [2:27] and a set of...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding Decimals Word Problems

For Students 3rd - 5th
[Free Registration/Login may be required to access all resource tools.] The resource starts with a quick video modeling the process of adding decimals in word problems. In addition to the video are practice problems with real-world...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding Decimals From the Thousandths Place to the Tens Place

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] This mathematics resource is a video demonstrating addition with decimals to the thousandths place, followed by practice problems adding numbers with digits in the...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Subtracting Decimals by Inserting Place Holding Zeroes

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] A video and practice questions on how to subtract decimal numbers using place-holding zeroes. [1:48]
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Subtract Decimals From the Thousandths Place to the Tens Place

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] A video and practice questions on how to subtract decimal numbers from the tens place to the thousandths decimal place. [0:47]
Interactive
Arcademics

Arcademics: Hungry Puppies Making a Number Using Decimal Division

For Students K - 1st Standards
Feed the puppies by adding decimals correctly.
Activity
Other

Kid's Page Archive: Free Printable Math Worksheets

For Teachers Pre-K - 1st
Great source for math worksheets on all four whole number operations, fractions, and miscellaneous arithmetic topics. Could be used to assess basic arithmetic skills for areas that need remediation.
Unknown Type
Khan Academy

Khan Academy: Adding Decimals: Thousandths

For Students 6th - 8th Standards
In this exercise, students practice adding decimals in the thousandths place. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Unknown Type
Khan Academy

Khan Academy: Adding Decimals 0.5

For Students 3rd - 5th Standards
In this exercise, students practice adding decimals 0.5. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Unknown Type
Khan Academy

Khan Academy: Adding Decimals Hundredths

For Students 3rd - 5th Standards
In this exercise, students practice adding decimals. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Interactive
AAA Math

Aaa Math: Addition of Decimal Tenths

For Students 3rd - 5th Standards
Students can practice adding decimal numbers in the tenths place through a series of self-check exercises and timed learning games.
Unknown Type
Khan Academy

Khan Academy: Adding Decimals: Tenths

For Students 4th - 6th Standards
Add two numbers that are either whole numbers or written to the tenths place value. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
Khan Academy

Khan Academy: Adding Decimals: Hundredths

For Students 4th - 6th Standards
Add two numbers that are written to the ones, tenths, or hundredths place. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
Scholastic

Scholastic: Study Jams! Math: Adding and Subtracting Decimals

For Students 5th - 6th Standards
Explore how to add and subtract decimals with this interactive lesson. Then test your knowledge with a quick quiz.
Activity
Lawrence Hall of Science

The Math Page: Skill in Arithmetic: Subtracting Whole Numbers and Decimals

For Students 3rd - 8th Standards
If you are looking for a website that explains and defines subtraction with decimals you have arrived at an excellent resource. There are even practice problems at the very end of the lesson.